Qhov twg ntawm neuron yog qhov tau txais ntawm tes?
Qhov twg ntawm neuron yog qhov tau txais ntawm tes?

Video: Qhov twg ntawm neuron yog qhov tau txais ntawm tes?

Video: Qhov twg ntawm neuron yog qhov tau txais ntawm tes?
Video: xob qhia xyaum nyom tes taw kom muag part 1 2024, Lub rau hli ntuj
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Cov dendrites ua cov receptive feem ntawm neuron , thiab tau txais feem ntau synaptic afferent inputs los ntawm cov dej ntws neurons . Cell lub cev. Cov ntawm tes lub cev, kuj yog soma, yog kev sib koom ua ke ib feem ntawm cov neuron , qhov twg cov cim qhia los ntawm dendrites suav nrog ua ke.

Raws li txoj cai, dab tsi ntawm cov neuron muaj cov nucleus?

Qhov tseem ceeb ntawm lub cell hu ua soma lossis cell lub cev. Nws muaj cov keeb , uas nyob rau hauv lem muaj genetic khoom nyob rau hauv daim ntawv ntawm chromosomes. Neurons muaj coob tus txuas ntxiv hu ua dendrites.

Kuj Paub, nyob qhov twg nissl lub cev nyob rau hauv ib tug neuron? A Nissl cev , tseem hu ua Nissl khoom thiab Nissl cov khoom, yog cov loj loj lub cev pom hauv neurons . Cov granules no yog cov ntxhib endoplasmic reticulum (RER) nrog rosettes dawb ribosomes, thiab yog qhov chaw ntawm cov protein synthesis.

Raws li, qhov twg ntawm cov neuron tau muab cais ua thaj tsam summation?

Lub dendrites thiab cell lub cev yog cov khoom siv cheeb tsam ntawm neuron qhov twg tau txais kev txhawb siab paj hlwb thiab cov hlab ntsha tau pib ua cov lus teb. Lub axon hillock ua rau lub tsam summation ntawm neuron uas ntxiv ua ke cov kev xav ntawm lub paj hlwb thiab txiav txim siab seb puas yuav xa qhov kev xav mus ntxiv raws qhov neuron.

Cov paj hlwb nyob qhov twg hauv lub cev?

Cov paj hlwb lub cev ntawm cov nociceptive neurons nyob hauv qab daus hauv paus ganglion. Peb mus rau kaum posterior spinal rootlets nkag mus rau posterolateral sulcus ntawm tus txha caj qaum tsim dab tsi yog xav txog classically raws li dorsal cag nkag teb chaws (DREZ).

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